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Encryption

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Question 13

Plaintext is encrypted using a Caesar cipher.

Compare the ciphertexts produced for the plaintext WAVE by:

  • a shift of +10 followed by a shift of -7
  • a single shift of +3.
[2]
Markscheme

Encryption Questions

  1. IGCSE
  2. /Computer Science
  3. /Encryption

16 exam-style questions on Edexcel IGCSE Computer Science Encryption. Each one has a worked solution and a mark scheme showing where the marks go.

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